# Founding AI Engineer at Lonio

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Build and iterate on an AI-native compli

- **Company:** Lonio (https://jobs.trythestack.co/companies/lonio)
- **Location:** Zürich, Switzerland
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 2–5 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** AI Engineering, Product Engineering, Software Architecture, Compliance Automation, Engineering Fundamentals, Problem Solving
- **Posted by employer:** 2026-06-04
- **Added to The Stack:** 2026-06-05
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://join.com/companies/carrd956/16259552-founding-ai-engineer (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/founding-ai-engineer-lonio

## About the role

Responsibilities:
- Build and iterate on an AI-native compliance product for Swiss finance & HR backoffices.
- Design and implement AI-powered workflows, prompt/agent patterns, and review processes to minimize technical debt.
- Implement robust end-to-end systems: data pipelines, model integration, testing, monitoring, and deployment.
- Work directly with founders to define product features, software architecture, and engineering culture.
- Blend product engineering, AI engineering, and research: prototype, validate, and productionize automation capabilities.
- Own code quality, observability, and compliance controls required for regulated customers.

Requirements:
- Strong engineering fundamentals and experience building production systems (backend, data pipelines, or model integrations).
- Practical understanding of LLM/AI tooling, evaluation, and risks (hallucinations, drift, safety, technical debt).
- Rapid learner, ownership mindset, outcome-focused, and comfortable with ambiguous problems.
- Good product sense and ability to translate business/regulatory needs into technical solutions.
- Collaborative communicator who can work closely with founders and cross-functional stakeholders.
- B-permit sponsorship available for EU/EFTA residents (we encourage applicants even if unsure whether they qualify).

## Responsibilities

Build an AI-native compliance product that automates complex workflows for Swiss finance and HR backoffices. Collaborate with founders to shape the company's architecture, product features, and engineering culture.

## Requirements

Candidates should have strong engineering fundamentals and a passion for how AI is transforming software development. The role requires a fast learner who takes ownership and focuses on outcomes over titles.

## FAQ

- **Is this Founding AI Engineer role still open?** It was posted on 2026-06-04. Listings more than 30 days old may no longer be active, so check Lonio's site before applying.
- **Does Lonio offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Lonio's site.
- **Where is this role located?** The listing gives the location as Zürich, Switzerland. It is marked on-site.
- **What skills does this role ask for?** The listing names: AI Engineering, Product Engineering, Software Architecture, Compliance Automation, Engineering Fundamentals, Problem Solving.

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## Notes for agents

- Apply on the employer's page (https://join.com/companies/carrd956/16259552-founding-ai-engineer). The Stack does not take applications.
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